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PartsTable / COMPONENT / RCSK16890
RCSK16890 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ELBOW,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES, special_features: ALL O-RING SEALS SHALL BE MADE OF NITRILE MATERIAL COMPOUND FOR LOW TEMPERATURE OPERATION IAW MIL-P-83461 OR MIL-P-25732, end_item_identification: 2320-01-383-3850, nominal_outside_diameter_tube_accommodated: 0.500 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-411-7538, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RCSK16890
NSN: 4730-01-411-7538
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES
special_featuresALL O-RING SEALS SHALL BE MADE OF NITRILE MATERIAL COMPOUND FOR LOW TEMPERATURE OPERATION IAW MIL-P-83461 OR MIL-P-25732
end_item_identification2320-01-383-3850
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-01-411-7538
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: RCSK16890 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESALL O-RING SEALS SHALL BE MADE OF NITRILE MATERIAL COMPOUND FOR LOW TEMPERATURE OPERATION IAW MIL-P-83461 OR MIL-P-25732
END ITEM IDENTIFICATION2320-01-383-3850
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
10111293Interchangeable
interchangeable cross-reference
interchangeable
5042Interchangeable
interchangeable cross-reference
interchangeable
9411244Interchangeable
interchangeable cross-reference
interchangeable
13044Interchangeable
interchangeable cross-reference
interchangeable
0330470-00Interchangeable
interchangeable cross-reference
interchangeable
1238432Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RCSK16890?
RCSK16890 is a ELBOW,TUBE TO BOSS.
What parts can replace RCSK16890?
There are 21 known substitutes for RCSK16890: 10111293, 5042, 9411244 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RCSK16890?
RCSK16890 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-411-7538. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026